Tread portion of an automobile tire



FIG. 1 is a perspective view of a tread portion of an automobile tireaccording to a first embodiment of my design;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a fragmentary enlarged view showing the details of the treadportion thereof;

FIG. 8 is a section view taken along line 8-8 in FIG. 7;

FIG. 9 is a section taken along line 9-9 in FIG. 7;

FIG. 10 is a perspective view of a tread portion of an automobile tireaccording to a second embodiment of my design;

FIG. 11 is a front view thereof;

FIG. 12 is a top view thereof;

FIG. 13 is a right side view thereof;

FIG. 14 is a left side view thereof;

FIG. 15 is a rear view thereof;

FIG. 16 is a fragmentary enlarged view showing the details of the treadportion thereof;

FIG. 17 is a section view taken along line 17-17 in FIG. 16; and,

FIG. 18 is a section taken along line 18-18 in FIG. 16.

The broken line showing of the sidewall and inner bead portion of thetire is included for the purpose of illustrating environment and formsno part of the claimed design.

The ornamental design for a tread portion of an automobile tire, asshown and described.